The DateAdd function returns a date to which a specified time interval has been added.
Syntax
DateAdd(interval,number,date)
|
| Parameter |
Description |
| interval |
Required. The interval you want to addCan take the following values:
- yyyy – Year
- q – Quarter
- m – Month
- y – Day of year
- d – Day
- w – Weekday
- ww – Week of year
- h – Hour
- n – Minute
- s – Second
|
| number |
Required. The number of interval you want to add. Can either be positive, for dates in the future, or negative, for dates in the past |
| date |
Required. Variant or literal representing the date to which interval is added |
Example 1
'Add one month to January 31, 2000
document.write(DateAdd("m",1,"31-Jan-00"))
Output:
2/29/2000
|
Example 2
'Add one month to January 31, 2001
document.write(DateAdd("m",1,"31-Jan-01"))
Output:
2/28/2001
|
Example 3
'Subtract one month from January 31, 2001
document.write(DateAdd("m",-1,"31-Jan-01"))
Output:
12/31/2000